US996339A - Internal-combustion engine. - Google Patents

Description

E. HOILAND.

INTERNAL COMBUSTION ENGINE.

APPLICATION FILED APR.14,,1910.

Patented June 27, 1911.

3 SHEETSSHEET 1.

E. HOILAND.

INTERNAL COMBUSTION ENGINE.

APPLICATION FILED APR. 14, 1910.

Patented June 27, 1911.

3 SHEETS-SHEET 2.

E. HOILAND. INTERNAL COMBUSTION ENGINE.

APPLIOATION FILED APR-14, 1910.

Patented June 27, 1911.

3 BHEETBSHEET 3.

EDVARD HOILANID, 0F AUCKLAND, NEW ZEALAND.

INTERNAL-COMBUSTION ENGINE.

ceases.

Specification of Letters Patent.

Patented June 27, 1911.

Application filed April 14, 1910. Serial No. 555,395.

To all whom it may concern:

Be it known that I, EDVARD HOILAND, a citizen of the Dominion of New Zealand, and residing at 11 The Strand, Auckland, in the Provincial District of Auckland, in the Dominion of New Zealand, have invented certain new and useful Improvements in Internal-Combustion Engines, of which the following is a specification.

This invention relates to internal combustion engines and provides within the cylinder a sleeve to which a reciprocating and semi-rotating motion is imparted, whereby a series of ports in the sleeve are brought into correspondence with ports in the cylinder, thereby providing for admission of combustible vapor to the sleeve and for the subsequent exhaust of the products of combustion.

The invention is carried intoeffect by means of the mechanism illustrated in the accompanying drawings wherein Figure 1, is a sectional elevation, Fig. 2, a sectional plan on line A-A, Fig. 1, and Fig. 3, an elevation of the engine. Figs. 4, 5, 6 and 7 are diagrams showing the relative positions of the cylinder and sleeve ports at different parts of the stroke of the engine. Fig. 8, is a sectional elevation on line BB, Fig. 3, Fig. 9, is a perspective view of a sleeve, Fig. 10, a sectional plan on "CC, Fig. 9, Fig. 11, a sectional perspective elevation of the cylinder partly broken away, Fig. 12, a plan of the cylinder with the head removed, Fig. 13, a diagram showing on a large scale the positions of the ports, and Fig. 14, a side elevation ofthe engine casing.

The cylinder 1 having a water jacket 2 of ordinary construction, has an outlet port 3 for the explosive mixture, and an exhaust 4 for the escape of the products of combustion.

A circumferential passage way 5 surrounding the cylinder is divided circumferentially into two parts 6 and 7 by a zigzag partition 8 forming a series of communicating recesses 9 and 10, the inlet port 3 communicating with the recesses 9, which are open at the top, and the exhaust port 1 communicating with the recesses 10 which are open at the bottom.

The cylinder has a series of ports 12 and 13 corresponding to, and communicating with, the recesses 9 and 10 respectively, the ports 12 communicating with the recess s 9 and the inlet port 3 and the ports 13 communicating WltlL the recesses 10 and the exhaust port 4.

The sleeve 15 fitting the cylinder has a series of ports 16 corresponding to the ports 12 or 13, that'is to say, if the cylinder has twelve ports as shown in the drawings, then the sleeve will have six ports. Motion is communicated to the sleeve 15 from the crank shaft 17 of the engine by a pinion 18 fixed thereon, and gearing with an idle spur wheel 19 mounted upon a shaft 20 and gearing with a spur wheel 21 fixed upon a valve shaft 22. A skew gear wheel 23 fixed upon the valve shaft 22 gears with a corresponding skew gear wheel 24 integral with a crank .shaft 25, the crank pin 26 whereof is pro vided with a slidable ball 27 rotatable in a socket 28 having a cap 29. The gearing is arranged so that while the shaft 17 makes two revolutions, the shaft 25 makes one 34. The liner 30 and the cap 35 are cut away as required to permit the skew gear wheel 23 to engage with the wheel 24, as clearly shown in Fig. 1.

The rotation of the shaft 25 reciprocates the sleeve 15 longitudinally in the cylinder and at the same time imparts to the sleeve a semi-rotating motion, these combined movements resulting in each part of the sleeve, taking an elliptical course corresponding to the ellipse shown in Fig. 13.

Referring now to the diagram shown in Figs. 4:, 5, 6, 7 and 13, a single port 16 of the sleeve 15, and a single inlet port 12 and a single exhaust port 13 in the cylinder are shown. The dot 40 represents the crank of the main shaft 17 and the dot 41 represents the crank' pin 26, which both travel in the direction indicated by the arrow. In Fig. 4 the dot 40 shows the position of the crank shaft 17, and the dot 41 shows the position of the crank pin 26, when the piston of the engine is at the inner end of the sleeve 15 at the commencement of a cycle of operations. The position of the port 16 relative tothe ports 12 and 13 is also shown, these positions corresponding to the positions shown in Fig. 13, Where the port 16 is not open either to the port 12 or 13. In Fig. 5, the piston has moved to the outer extremity of its stroke, and the sleeve has moved inward for half its stroke and in so doing, its port 16 has opened communication with the inlet port 12 for the introduction into the sleeve 15 of a charge of explosive mixture. In Fig. 6, the piston has again reached the inner end of the sleeve and compressed the explosive charge, and the port 16 is also at the inner extremity of its stroke, its proper position during the firing of the charge. The dotted band 43 in Figs. 4, 5, 6 and 7 represents a ring 43 provided in a groove-formed in the head 44 of the cylinder, the said head passing for some distance into the sleeve 15 and forming by means of its rings 43 and 45 a gas-tight joint therewith. and rotatable upon the head 44. During the firing of the explos'we charge, the port 16 is covered by the head 44, and the ring 43 and leakage of the explosive charge through the said port and through the ports 12 and 13 is thereby prevented.

Referring now to Fig. 7, the piston has traveled to the outer extremity of its stroke and the port- 16 is open to the exhaust port 13, the cycle of operations being thus COIII- pleted.

W hat I do claim and desire to secure by Letters Patent of the United States is 1. In an internal combustion engine, a cylinder formed with a number of alternately arranged inlet and exhaust ports, a piston, a sleeve formed with a single set of ports adapted to coincide alternately with the inlet and exhaust ports of said cylinder and means for reciprocating and oscillatmg said sleevein said cylinder.

The sleeve 15 is slidable tion dividing the passage-way into two' parts communicating respectively with a port for admission of an explosive charge and a port for the exhaust of products of combustion, said partition forming recesses communicating by ports with the interior of the cylinder, means for imparting a combined reciprocating and semi-rotating motion to the sleeve, a piston reciprocable in the cylinder, a crank shaft, a rod connecting the crank shaft to the piston, and a casing wherein the crank shaft is mounted and to which the cylinder is secured, substantially as set forth.

3. In an internal combustion engine, a cylinder, a sleeve slidable and rotatable in the cylinder, a socket upon the side of the sleeve, a ball fitting the socket, a shaft having a crank pin whereon the ball is slidable and rotatable, and means for rotating the shaft, substantially as set forth.

4. In an internal combustion engine, a cylinder, a sleeve fitting the cylinder, a casing attached to the cylinder, a boss integral with the casing, a liner fitting and attached to the boss, a cap fitting and fixed to the said liner, a shaft and integral skew gear wheel mounted in the liner and cap, a crank pin projecting from the end of the shaft, a ball slidable and rotatable on the crank pin, a socket upon the sleeve fitting upon the said ball and means for rotating the skew wheel, substantially as set forth.

In testimony whereof I have affixed my signature in presence of two witnesses.

EDVARD I-IOILANI).

lVitnesses:

ERNEST SMITH BALDWIN, ANNIE DOROTHY MoKENzm.

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